CN204537831U - There is the EMI wireless charging inductance coil of high working (machining) efficiency - Google Patents
There is the EMI wireless charging inductance coil of high working (machining) efficiency Download PDFInfo
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- CN204537831U CN204537831U CN201520167635.0U CN201520167635U CN204537831U CN 204537831 U CN204537831 U CN 204537831U CN 201520167635 U CN201520167635 U CN 201520167635U CN 204537831 U CN204537831 U CN 204537831U
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Abstract
This application discloses a kind of EMI wireless charging inductance coil with high working (machining) efficiency, comprise: ferrite magnetic sheet and be fixed on the coil groups on ferrite magnetic sheet surface, coil groups comprises at least one coiled wire-wound coil, coiled wire-wound coil is formed by single strand wire coiling, and single strand wire forms by some Self-binding cords are stranded.Like this, because Self-binding cord can form rough surface when stranded, make in single strand wire winding process, certain frictional force can be had between surface and surface, make to be fixed with the single strand wire that tool is right in winding process, and also can ensure not loose when winding turns is more, improve production efficiency, reduce production cost.
Description
Technical field
The application relates to wireless charging field, particularly relates to a kind of EMI wireless charging inductance coil with high working (machining) efficiency.
Background technology
Existing electromagnetic interference (Electromagnetic Interference, EMI) device is widely used in meeting in the wireless charging device of Qi, PMA, A4WP and iNPOFi standard.Wireless charging device generally includes the wireless charging inductance coil as its critical component.Generally, wireless charging inductance coil becomes a coiled wire-wound coil by the common single copper wire winding with certain size, after coiling completes, then immerses varnish copper cash is bonded together.But because the surface of copper cash own is comparatively smooth, in winding process, need tool to be fixed single copper cash, and easily loose after the coiling number of turns is more than 10 circles, need coiling again, which results in production efficiency lower, in a disguised form add production cost.
Summary of the invention
The application is intended to one of solve the problems of the technologies described above at least to a certain extent.
The application provides a kind of EMI wireless charging inductance coil with high working (machining) efficiency, comprising:
Ferrite magnetic sheet and be fixed on the coil groups on described ferrite magnetic sheet surface, described coil groups comprises at least one coiled wire-wound coil, and described coiled wire-wound coil is formed by single strand wire coiling, and described single strand wire forms by some Self-binding cords are stranded.
Further, when described coil groups comprises at least two coiled wire-wound coils, arranged by stack manner between different described coiled wire-wound coils.
Further, first coiled wire-wound coil is formed towards first direction coiling by the first single strand wire, second coiled wire-wound coil is formed towards second direction coiling by the second single strand wire, described first direction is contrary with described second direction, and described first single strand wire is connected with described second single strand wire.
Further, described coil groups has the first terminals being positioned at its first line outlet place and the second terminals being positioned at its second line outlet place.
Further, described first terminals and described second terminals are arranged with insulation PVC sleeve pipe.
Further, described first line outlet and described second line outlet vicinity are arranged, and described coil groups is coated with insulation gummed paper along the radial direction of described coil groups, and described insulation gummed paper is between described first line outlet and described second line outlet.
Further, described first terminals and described second terminals arrange soldering layer by dark soldering.
Further, to be that the Self-binding cord of 0.1 millimeter is stranded by 40 diameters form described single strand wire.
Further, fixed by glue bonding mode between described coil groups and described ferrite magnetic sheet.
The beneficial effect of the application is:
By providing a kind of EMI wireless charging inductance coil with high working (machining) efficiency, comprise: ferrite magnetic sheet and be fixed on the coil groups on ferrite magnetic sheet surface, coil groups comprises at least one coiled wire-wound coil, coiled wire-wound coil is formed by single strand wire coiling, and single strand wire forms by some Self-binding cords are stranded.Like this, because Self-binding cord can form rough surface when stranded, make in single strand wire winding process, certain frictional force can be had between surface and surface, make to be fixed with the single strand wire that tool is right in winding process, and also can ensure not loose when winding turns is more, improve production efficiency, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the perspective view of the wireless charging inductance coil of the embodiment of the present application one.
Fig. 2 is the front view of the wireless charging inductance coil of the embodiment of the present application one.
Fig. 3 is the right view of the wireless charging inductance coil of the embodiment of the present application one.
Fig. 4 is the exploded view of the wireless charging inductance coil of the embodiment of the present application one.
Fig. 5 is the structural representation of Self-binding cord in the embodiment of the present application one.
Fig. 6 is the structure chart of the wireless charging inductance coil coil group of the embodiment of the present application two.
Embodiment
Be described below in detail the embodiment of the application, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the application, and the restriction to the application can not be interpreted as.
In the description of the application, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the application and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the application can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In the description of the application, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In this application, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this application can be understood as the case may be.
In this application, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
By reference to the accompanying drawings the application is described in further detail below by embodiment.
Embodiment one:
Present embodiments provide a kind of EMI wireless charging inductance coil with high working (machining) efficiency; it is mainly used in wireless charging device; and wireless charging device can be applicable to intelligent watch, Intelligent toothbrush, wireless vibration rod, wireless acoustics, wearable smart machine etc.; therefore; the application not only protects wireless charging inductance coil; more prolong and comprise the wireless charging device of this wireless charging inductance coil, and comprise the equipment of this wireless charging device.
As Figure 1-5, the wireless charging inductance coil of the present embodiment mainly comprises: ferrite magnetic sheet 1 and be fixed on the coil groups on ferrite magnetic sheet 1 surface.In the present embodiment, coil groups comprises a coiled wire-wound coil 2, and coiled wire-wound coil 2 is formed by single strand wire coiling, and single strand wire forms by some Self-binding cords 222 are stranded.Fixed by glue bonding mode between coil groups and ferrite magnetic sheet 1.
Particularly, coil groups has the first terminals 21 being positioned at its first line outlet place and the second terminals 22 being positioned at its second line outlet place.And the first terminals 21 and the second terminals 22 arrange soldering layer by dark soldering, the first terminals 21 and the second terminals 22 are arranged with insulation PVC sleeve pipe 3.First line outlet and the second line outlet are contiguous to be arranged, and for ensureing the fixing of the first terminals 21 and the second terminals 22, the radial direction of coil groups ascender line circle group is coated with the gummed paper 4 that insulate, and insulate gummed paper 4 between the first line outlet and the second line outlet.
In the present embodiment, to be that the Self-binding cord 222 of 0.1 millimeter is stranded by 40 diameters form single strand wire, and certainly, the quantity of Self-binding cord 222 and size can be determined according to actual conditions in other embodiments.
The course of processing of above-mentioned wireless charging inductance coil can as following:
First, the Self-binding cord stranding machine being 0.1 millimeter by 40 diameters is twisted into single strand wire; Secondly, one end of single strand wire is fixed on the chuck of coil winding machine, by coil winding machine single strand wire is wound on tool and carries out coiling, form the coiled wire-wound coil of ring-type; Then, ferrite magnetic sheet is fixed on tool, glue on point, coiled wire-wound coil is placed on ferrite magnetic sheet and is coated with in the one side of glue, clamp by steel clamp and put into oven cooking cycle 40 minutes; Finally, two terminals are carried out the dark soldering of 5 millimeters deep at tin stove, then put on the insulation PVC sleeve pipe of black at terminals, put into oven cooking cycle shaping.
Implement the wireless charging inductance coil of above-described embodiment, because Self-binding cord can form rough surface when stranded, make in single strand wire winding process, certain frictional force can be had between surface and surface, make to be fixed with the single strand wire that tool is right in winding process, and also can ensure not loose when winding turns is more, improve production efficiency, reduce production cost.
Embodiment two:
The present embodiment and above-described embodiment are distinguished and are: as shown in Figure 6, and coil groups comprises two coiled wire-wound coils 2, and are arranged by stack manner between different coiled wire-wound coils 2.Wherein, first coiled wire-wound coil is formed towards first direction coiling by the first single strand wire, second coiled wire-wound coil is formed towards second direction coiling by the second single strand wire, and first direction is contrary with second direction, and the first single strand wire is connected with the second single strand wire.That is, if the first coiled wire-wound coil clockwise direction coiling, so the second coiled wire-wound coil just counterclockwise coiling, vice versa.
Adopt the present embodiment, the inductance value of this wireless charging inductance coil can be made to reach the twice of individual layer, improve wireless charging efficiency.
In the description of this specification, at least one embodiment that specific features, structure, material or feature that the description of reference term " execution mode ", " some execution modes ", " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained in the application or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Above content is the further description done the application in conjunction with concrete execution mode, can not assert that the concrete enforcement of the application is confined to these explanations.For the application person of an ordinary skill in the technical field, under the prerequisite not departing from the application's design, some simple deduction or replace can also be made.
Claims (9)
1. one kind has the EMI wireless charging inductance coil of high working (machining) efficiency, it is characterized in that, comprise: ferrite magnetic sheet and be fixed on the coil groups on described ferrite magnetic sheet surface, described coil groups comprises at least one coiled wire-wound coil, described coiled wire-wound coil is formed by single strand wire coiling, and described single strand wire forms by some Self-binding cords are stranded.
2. there is the EMI wireless charging inductance coil of high working (machining) efficiency as claimed in claim 1, it is characterized in that, when described coil groups comprises at least two coiled wire-wound coils, arranged by stack manner between different described coiled wire-wound coils.
3. there is the EMI wireless charging inductance coil of high working (machining) efficiency as claimed in claim 2, it is characterized in that, first coiled wire-wound coil is formed towards first direction coiling by the first single strand wire, second coiled wire-wound coil is formed towards second direction coiling by the second single strand wire, described first direction is contrary with described second direction, and described first single strand wire is connected with described second single strand wire.
4. the EMI wireless charging inductance coil with high working (machining) efficiency according to any one of claim 1-3, is characterized in that, described coil groups has the first terminals being positioned at its first line outlet place and the second terminals being positioned at its second line outlet place.
5. there is the EMI wireless charging inductance coil of high working (machining) efficiency as claimed in claim 4, it is characterized in that, described first terminals and described second terminals are arranged with insulation PVC sleeve pipe.
6. there is the EMI wireless charging inductance coil of high working (machining) efficiency as claimed in claim 4, it is characterized in that, described first line outlet and described second line outlet vicinity are arranged, described coil groups is coated with insulation gummed paper along the radial direction of described coil groups, and described insulation gummed paper is between described first line outlet and described second line outlet.
7. have the EMI wireless charging inductance coil of high working (machining) efficiency as claimed in claim 4, it is characterized in that, described first terminals and described second terminals arrange soldering layer by dark soldering.
8. have the EMI wireless charging inductance coil of high working (machining) efficiency as claimed in claim 1, it is characterized in that, to be that the Self-binding cord of 0.1 millimeter is stranded by 40 diameters form described single strand wire.
9. there is the EMI wireless charging inductance coil of high working (machining) efficiency as claimed in claim 1, it is characterized in that, fixed by glue bonding mode between described coil groups and described ferrite magnetic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167635.0U CN204537831U (en) | 2015-03-23 | 2015-03-23 | There is the EMI wireless charging inductance coil of high working (machining) efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167635.0U CN204537831U (en) | 2015-03-23 | 2015-03-23 | There is the EMI wireless charging inductance coil of high working (machining) efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN204537831U true CN204537831U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520167635.0U Expired - Fee Related CN204537831U (en) | 2015-03-23 | 2015-03-23 | There is the EMI wireless charging inductance coil of high working (machining) efficiency |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896682A (en) * | 2016-06-13 | 2016-08-24 | 无锡晶磊电子有限公司 | Flat coil, fabrication method thereof and flat coil wireless charger |
| CN111261401A (en) * | 2020-01-20 | 2020-06-09 | 上海安费诺永亿通讯电子有限公司 | Wireless charging double-layer winding coil and winding method thereof |
| CN113990651A (en) * | 2021-12-28 | 2022-01-28 | 斯特华(佛山)磁材有限公司 | Hot-pressing assembly method and hot-pressing assembly device for multiple coils |
-
2015
- 2015-03-23 CN CN201520167635.0U patent/CN204537831U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896682A (en) * | 2016-06-13 | 2016-08-24 | 无锡晶磊电子有限公司 | Flat coil, fabrication method thereof and flat coil wireless charger |
| CN111261401A (en) * | 2020-01-20 | 2020-06-09 | 上海安费诺永亿通讯电子有限公司 | Wireless charging double-layer winding coil and winding method thereof |
| CN113990651A (en) * | 2021-12-28 | 2022-01-28 | 斯特华(佛山)磁材有限公司 | Hot-pressing assembly method and hot-pressing assembly device for multiple coils |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20200323 |